Vertical perovskite solar cell envelope for the circular economy
A case study using life cycle cost analysis in Europe
Q.L. Li (Politecnico di Milano, TU Delft - Structural Design & Mechanics)
Ziyue Chen (Norwegian University of Science and Technology (NTNU))
Xinwei Li (Eindhoven University of Technology, Politecnico di Milano)
S. Brancart (TU Delft - Architectural Technology)
M. Overend (TU Delft - Architectural Technology)
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Abstract
Recent technological developments make perovskite solar cells (PSCs) particularly suitable for building integrated photovoltaic (BIPV) applications on vertical building envelopes, but the relatively short lifespan of PSCs requires frequent replacement, thereby generating substantial waste. Careful consideration of circularity credentials of this novel technology is therefore essential prior to the extensive implementation of vertical PSCs in building envelopes. This paper provides a circular economy approach for the implementation of PSCs in vertical envelopes and assesses its economic feasibility by life cycle cost analysis in Europe. The process of recycling PSC is developed. The economic performance of PSC envelopes is provided and compared to that of the conventional rigid BIPV system. Uncertainty analysis and sensitivity analysis of economic indicators are then performed to identify the influential parameters. The findings indicate that the PSC envelope has a significant potential for circular BIPV components and that PSCs applied on vertical envelope are economically viable.